Epic Test Code POC1112 PH VENOUS iSTAT
Performing Location(s)
BMC,FOX
Specimen Type
Whole Blood, Venous
Preferred Container
Heparin coated syringe or capillary or Green top tube (prefer Dark Green top tube)
Alternate Container
Unheparinized syringe for POC immediate testing only
Minimum Volume to Submit for Testing
2.0 mL Whole blood
Transportation Needs
Deliver to laboratory at room temp. within 30 minutes.
Do Not send through the pneumatic tube system
Causes for Rejection
Mislabeled or unlabeled specimen
Clotted specimen
Specimen not analyzed within 30 minutes at room temperature or 60 minutes on ice
Pneumatic tube transport of green top tubes or syringes
Specimen contaminated with Room Air (bubbles in syringe or uncapped)
Reference Values
Reference Ranges |
|||||
Analyte |
Units |
Population |
Venous |
Cord:Arterial or Venous |
Capillary |
pH |
(none) |
All populations |
7.35-7.43 |
7.33-7.45 |
7.35-7.45 |
Critical Values |
|||||||
Analyte |
Units |
Population |
Arterial/ |
Arterial/ |
Venous Low |
Venous High |
Cord:Arterial or Venous |
pH |
(none) |
All |
< 7.25 |
>7.60 |
<7.25 |
>7.60 |
<7.10 |
Includes
Measured – pH
Additional Information
Requisition must indicate source (i.e. venous) and time sample is drawn
Days of Analysis
All
Available STAT
Yes
Methodology
pH = direct potentiometry
CPT Code
pH- 82800
Last Updated
12-JUL-23 MS